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[v18,04/10] vhost: introduce new VhostOps vhost_set_config_call

Message ID 20221029082755.1265144-5-lulu@redhat.com (mailing list archive)
State New, archived
Headers show
Series vhost-vdpa: add support for configure interrupt | expand

Commit Message

Cindy Lu Oct. 29, 2022, 8:27 a.m. UTC 
This patch introduces new VhostOps vhost_set_config_call.
This function allows the qemu to set the config
event fd to kernel driver.

Signed-off-by: Cindy Lu <lulu@redhat.com>
---
 include/hw/virtio/vhost-backend.h | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h
index eab46d7f0b..c5ab49051e 100644
--- a/include/hw/virtio/vhost-backend.h
+++ b/include/hw/virtio/vhost-backend.h
@@ -128,6 +128,8 @@  typedef int (*vhost_get_device_id_op)(struct vhost_dev *dev, uint32_t *dev_id);
 
 typedef bool (*vhost_force_iommu_op)(struct vhost_dev *dev);
 
+typedef int (*vhost_set_config_call_op)(struct vhost_dev *dev,
+                                       int fd);
 typedef struct VhostOps {
     VhostBackendType backend_type;
     vhost_backend_init vhost_backend_init;
@@ -174,6 +176,7 @@  typedef struct VhostOps {
     vhost_vq_get_addr_op  vhost_vq_get_addr;
     vhost_get_device_id_op vhost_get_device_id;
     vhost_force_iommu_op vhost_force_iommu;
+    vhost_set_config_call_op vhost_set_config_call;
 } VhostOps;
 
 int vhost_backend_update_device_iotlb(struct vhost_dev *dev,